Migrate no_git_config_with_title to BookTest

tests/cli/init.rs

@@ -1,27 +0,0 @@
-use crate::cli::cmd::mdbook_cmd;
-use crate::dummy_book::DummyBook;
-
-use mdbook::config::Config;
-
-/// Run `mdbook init` with `--title` without git config.
-///
-/// Regression test for https://github.com/rust-lang/mdBook/issues/2485
-#[test]
-fn no_git_config_with_title() {
-    let temp = DummyBook::new().build().unwrap();
-
-    // doesn't exist before
-    assert!(!temp.path().join("book").exists());
-
-    let mut cmd = mdbook_cmd();
-    cmd.args(["init", "--title", "Example title"])
-        .current_dir(temp.path())
-        .env("GIT_CONFIG_GLOBAL", "")
-        .env("GIT_CONFIG_NOSYSTEM", "1");
-    cmd.assert()
-        .success()
-        .stdout(predicates::str::contains("\nAll done, no errors...\n"));
-
-    let config = Config::from_disk(temp.path().join("book.toml")).unwrap();
-    assert_eq!(config.book.title.as_deref(), Some("Example title"));
-}

tests/cli/mod.rs

@@ -1,4 +1,3 @@
 mod build;
 mod cmd;
-mod init;
 mod test;

tests/testsuite/init.rs

@@ -99,3 +99,37 @@ src = "src"
     );
     assert!(!test.dir.join(".gitignore").exists());
 }
+
+// Run `mdbook init` with `--title` without git config.
+//
+// Regression test for https://github.com/rust-lang/mdBook/issues/2485
+#[test]
+fn no_git_config_with_title() {
+    let mut test = BookTest::empty();
+    test.run("init", |cmd| {
+        cmd.expect_stdout(str![[r#"
+
+Do you want a .gitignore to be created? (y/n)
+
+All done, no errors...
+
+"#]])
+            .expect_stderr(str![[r#"
+[TIMESTAMP] [INFO] (mdbook::book::init): Creating a new book with stub content
+
+"#]])
+            .args(&["--title", "Example title"]);
+    })
+    .check_file(
+        "book.toml",
+        str![[r#"
+[book]
+authors = []
+language = "en"
+src = "src"
+title = "Example title"
+
+"#]],
+    );
+    assert!(!test.dir.join(".gitignore").exists());
+}